<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Create a New Pen</title>
</head>
<body>
    <div class="dm">
        <div class="dm_screen">
            <div class="dm_mask"></div>
            <div class="dm_show"></div>
        </div>

        <div class="send">
            <div class="s_fiter">
                <div class="s_con">
                    <p><input type="text" class="s_txt" placeholder="说点什么？"></p>
                    <p><input type="button" class="s_sub" value="发 射"></p>
                    <p><input type="button" class="s_del" value="清 屏"></p>
                </div>
            </div>
        </div>
    </div>
</body>
</html>